Suggestions for Microsoft Windows 7 SP1 installation

MSDN and TechNet subscribers and volume licensing customers already have access to Windows 7 and Windows Server 2008 R2 SP1. Next week, February 22, regular users can download from the Microsoft Download Center or automatically via Windows Update. . Microsoft made a few suggestions today, users who will install SP1 can refer to it.
First, if you just want to upgrade a PC or your home PC, then Microsoft recommends that you get SP1 push through Windows Update instead of downloading it to the Microsoft Download Center or using the online installation package. Windows Update will give you the best installation experience.
Secondly, before installing Windows 7 SP1, it is best to back up your PC or important files to an external hard drive, DVD/CD or network.
Third, you'd better make sure that your device drivers are up to date;
Fourth, it's very important to disinfect your machine before installation. If your machine is infected with a virus, then this will Affect your SP1 installation and future upgrades;
Other points to note:
— Make sure it is connected to the power supply when installing Windows 7 SP1 on your laptop;
— Windows 7 SP1 needs to be installed after installation Restart;
— Windows 7 SP1 installation requires more hard disk space, if space is not enough, you can use Windows 7 built-in disk cleaning tool to get more space;
To save disk space, install Windows 7 After SP1 (preferably a few weeks later), you can use the Disk Cleanup Tool to remove the SP installation files, open the Disk Cleanup Tool, and select "Clear System Files" in the "Service Pack Backup Files" (but do this) The consequence is that Windows 7 SP1 cannot be removed from the PC in the future).